| Name | Location | Products | Action |
|---|
 Clear Beam Corp | |  | |
| Edmund Optics | | | |
| MKS | Newport | | | |
| MOXTEK, Inc | | | |
| Omega Optical | | | |
| Optometrics Corporation | | | |
| OptoSigma Corporation | | | |
| Perkins Precision Developments | | | |
| Rainbow Research Optics, LLC | | | |
| Ross Optical Industries | | | |
| Stanford Advanced Materials | | | |
| Teledyne Acton Optics | | | |
| Thorlabs Inc | | | |
| aBeam Technologies | | | |
| Abrisa Technologies | | | |
| AccuCoat | | | |
| Adamas Optics | | | |
| Agnitron Technology | | | |
| Align Optics Inc | | | |
| Alpine Research Optics | | | |
| Altos Photonics | | | |
| American Photonics | | | |
| Andover Corporation | | | |
| Argyle International, Inc. | | | |
| Ariel Optics | | | |
| ARW Optical Corporation | | | |
| Blue Ridge Optics | | | |
| Bond Optics | | | |
| Cascade Optical Corporation | | | |
| Chroma Technology Corporation | | | |
| COE Optics( USA) Inc. | | | |
| Colorado Thin Films, Inc | | | |
| CommScope | | | |
| Coursen Coating Labs., Inc | | | |
| Creative Technology Lasers | | | |
| Crytur USA | | | |
| Custom Scientific, Inc. | | | |
| Data Optics, Inc. | | | |
| Deposition Sciences, Inc. | | | |
| Design Research Optics | | | |
| DiMaxx Technologies | | | |
| Displays & Optical Technologies | | | |
| Dynasil | | | |
| eSource Optics | | | |
| Evaporated Coatings, Inc. | | | |
| Evaporated Metal Films | | | |
| Ferson Technologies | | | |
| Firebird Optics | | | |
| Foreal Spectrum | | | |
| Glass Dynamics | | | |
| Gurley Precision Instruments, Inc | | | |
| Haas Laser Technologies | | | |
| Inrad Optics Inc. | | | |
| InSync | | | |
| IRD Glass | | | |
| J.R. Cumberland, Inc | | | |
| JNS Glass & Coatings | | | |
| K&S Optics | | | |
| Karl Lambrecht Corporation | | | |
| LaCroix Optical Co. | | | |
| LaCroix Precision Optics | | | |
| Lambda Research Optics | | | |
| Laser Research Optics | | | |
| Lattice Electro Optic | | | |
| Mark Optics | | | |
| NY Photonics | | | |
| OPCO Laboratory | | | |
| OPCO Laboratory, Inc. | | | |
| Optimax Systems Inc. | | | |
| OptoCity | | | |
| PacTec 2nd Source | | | |
| PFG Precision Optics, Inc | | | |
| PFG Precision Optics, Inc. | | | |
| Phasemask Technology, LLC | | | |
| Phila Optics | | | |
| Photonics Online | | | |
| Photonics Solutions Group | | | |
| Precision Glass & Optics | | | |
| Precision Optical | | | |
| Red Optronics | | | |
| REFLEX Analytical | | | |
| Reynard Corporation | | | |
| RPC Photonics | | | |
| S & S Optical Company, Inc. | | | |
| Salvo Technologies | | | |
| SCHOTT North America, Inc | | | |
| Shanghai Optics | | | |
| Sierra Precision Optics | | | |
| Sinoceramics, Inc | | | |
| Spectrum Thin Films | | | |
| Sterling Precision Optics | | | |
| Sunny Precision Optics | | | |
| SYDOR OPTICS | | | |
| TecOptics, Inc. | | | |
| Timbercon, Inc. | | | |
| Tower Optical Corporation | | | |
| Westech Optical Corporation | | | |
